Determining the Mass of the Universe

Details Determining the Mass of the Universe Determining the Mass of the Universe

Jan 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001stin...0187781w&link_type=abstract

Technical Report, DE2001-768174; LA-UR-00-3978

Computer Science

Universe, Cosmology, Mass Distribution, Stellar Mass, Galaxies, Dark Matter, Red Shift

Scientific paper

We have developed the tools that many significantly improve the measurements of the mass of the Universe. We have performed state-of-the-art numerical simulations that provide complete dynamical information about both galaxies and dark matter, and our work has shown that the usual treatment of galaxies as point masses is unjustified. Additionally, we have proposed a method to determine the cosmic mass density from redshift-space distortions induced by large-scale flows in the presence of nonlinear clustering.

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